| 5253625 |
Internal combustion engine having a hypereutectic aluminum-silicon block and aluminum-copper pistons |
Raymond J. Donahue, Terrance M. Cleary |
1993-10-19 |
| 5129378 |
Two-cycle marine engine having aluminum-silicon alloy block and iron plated pistons |
Raymond J. Donahue, Richard A. Lanpheer, W. Donald Schultz |
1992-07-14 |
| 5111869 |
Evaporable foam pattern for casting a cylinder block of a two-cycle engine |
William D. Corbett |
1992-05-12 |
| 5035276 |
Evaporable foam pattern assembly for casting a housing for a rotary engine |
William D. Corbett |
1991-07-30 |
| 4915603 |
Rotary engine cooling system |
William D. Corbett |
1990-04-10 |
| 4911122 |
Tuned intake air inlet for a rotary engine |
William D. Corbett |
1990-03-27 |
| 4911623 |
Method and apparatus for lubricating a rotary engine |
William D. Corbett |
1990-03-27 |
| 4844025 |
Dual spark plug combustion chamber |
— |
1989-07-04 |
| 4821694 |
Hypereutectic aluminum-silicon casting alloy |
William G. Hesterberg, Raymond J. Donahue |
1989-04-18 |
| 4603665 |
Hypereutectic aluminum-silicon casting alloy |
William G. Hesterberg, Raymond J. Donahue |
1986-08-05 |
| 4481910 |
Stratified-charge two-stroke cycle engine |
— |
1984-11-13 |
| 4481911 |
Stratified-charge cross-flow scavenged two-stroke cycle engine |
John M. Griffiths |
1984-11-13 |
| 4475499 |
Inlet tuning of crankcase supercharged four cycle engine |
— |
1984-10-09 |
| 4461251 |
Crankcase supercharged four cycle engine with jet pump assist |
— |
1984-07-24 |